UserAgent: Mozilla/5.0 (X11; CrOS x86_64 10895.78.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.120 Safari/537.36
Platform: 10895.78.0 (Official Build) stable-channel coral-unibuild (astronaut babymega babytiger blacktip blacktip360 blue bruce coral epaulette lava nasher nasher360 porbeagle rabbid robo robo360 santa whitetip)

Steps to reproduce the problem:
1. upgrade beta chrome os to 70.0.3538.76
2. 
3. 

What is the expected behavior?
working keyboard

What went wrong?
part of the keys are dead : nearly half of them
(azerty keyboard)

Did this work before? Yes previous one on beta channel

Chrome version: 69.0.3497.120  Channel: beta
OS Version: 70.0.3538.76
Flash Version: 31.0.0.108 /opt/google/chrome/pepper/libpepflashplayer.so

- downgrade to stable with powerwash didn't solve the problem
- the recovery utility did (stable channel)